Region
Japan --
Japan
44
United States
41
United States --
40
China --
8
China
6
United states --
4
East Asia --
3
Asia
1
Asia --
1
Asia, Southeastern
1
Asia, Southeastern --
1
Australia
1
Australia --
1
East Asia
1
Foreign countries
1
Germany --
1
India
1
India --
1
Indo-Pacific Region --
1
Japan. Rikugan. Kantogun. Butai, Dai 731 --
1
Korea (South)
1
Korea(Souith) --
1
Korea(South)
1
Korea(South) --
1
Latin America
1
Latin America --
1
Manchuria
1
Manchuria (China) --
1
Pacific Area --
1
Pacific area --
1
Pan-Pacific relations
1
Senkaku Islands --
1
Singapore
1
Singapore --
1
United Nations
1
Unites States
1
apan
1